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Finding the Fourth Proportional to 173,109.10, 259,700.10 and 54,792.40

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Solution

The fourth proportional to 173,109.10, 259,700.10 and 54,792.40 is: 82,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.10 : 259,700.10 = 54,792.40 : x
  2. Step 2: Convert to fraction form
    173,109.10/259,700.10 = 54,792.40/x
  3. Step 3: Cross multiply
    173,109.10x = 259,700.10 × 54,792.40
  4. Step 4: Simplify right side
    173,109.10x = 14,229,591,759.24
  5. Step 5: Solve for x
    x = 14,229,591,759.24/173,109.10
  6. Step 6: Final answer
    x = 82,200.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.